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How do I find the problem and fix it? a bad rear window defroster.

I checked all the fuses and circuit breakers first.they were good.I switched the circuit breaker with the one next to it, it had same numbers. I then used test lamp at rear window. (several combos with test light)Nothing. Light comes on when I push the button, and it goes off after 10 mins. (like owners man. says)What can I try now?

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  • Jezneca Dec 03, 2014

    is your rear window defroster a set of defrost lines?
    And is it that your back window is not defrosting at all? Patchy?

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  • Cars & Trucks Master
  • 3,961 Answers

Look carefully for a break in the grid on the window. It might be anywhere on the lines and very small. If you find one it can be fixed with stuff like this

http://www.certifiedmastertech.com/wordpress/2010/06/28/rear-window-defroster-problems/

If you find the tag wire has separated there is different suff

http://www.popularmechanics.com/cars/how-to/maintenance/4221212

Posted on Dec 03, 2014

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